[v2,8/9] net/hns3: remove the unnecessary assignment
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Commit Message
From: "Wei Hu (Xavier)" <xavier.huwei@huawei.com>
This patch removes the unncessary assignment in hns3_xmit_pkts function
to avoid performance loss.
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
---
drivers/net/hns3/hns3_rxtx.c | 5 -----
1 file changed, 5 deletions(-)
@@ -1612,7 +1612,6 @@ hns3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
struct rte_mbuf *m_seg;
struct rte_mbuf *temp;
uint32_t nb_hold = 0;
- uint16_t tx_next_clean;
uint16_t tx_next_use;
uint16_t tx_bd_ready;
uint16_t tx_pkt_num;
@@ -1627,11 +1626,8 @@ hns3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
if (tx_bd_ready == 0)
return 0;
- tx_next_clean = txq->next_to_clean;
tx_next_use = txq->next_to_use;
tx_bd_max = txq->nb_tx_desc;
- tx_bak_pkt = &txq->sw_ring[tx_next_clean];
-
tx_pkt_num = (tx_bd_ready < nb_pkts) ? tx_bd_ready : nb_pkts;
/* send packets */
@@ -1707,7 +1703,6 @@ hns3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
if (likely(nb_tx)) {
hns3_queue_xmit(txq, nb_hold);
- txq->next_to_clean = tx_next_clean;
txq->tx_bd_ready = tx_bd_ready - nb_hold;
}